Fix: strict validation for card values (prevent invalid numeric formats)

Author: MacDonald91

Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js

@@ -38,14 +38,15 @@ function getCardValue(card) {
   }
 
   if (rank === "A") return 11;
-  if (rank === "J" || rank === "Q" || rank === "K") return 10;
+  if (["J", "Q", "K"].includes(rank)) return 10;
 
-  const numberValue = Number(rank);
-
-  if (numberValue >= 2 && numberValue <= 10) {
-    return numberValue;
+  const validNumbers = ["2", "3", "4", "5", "6", "7", "8", "9", "10"];
+  
+  if (!validNumbers.includes(rank)) {
+    return Number(rank);
   }
 
+
   throw new Error("Invalid card");
 }
 

package.json

@@ -9,7 +9,7 @@
   "keywords": [],
   "author": "Code Your Future",
   "license": "ISC",
-  "dependencies": {
-    "jest": "^29.7.0"
+  "devDependencies": {
+    "jest": "^30.2.0"
   }
-}
+}